Search (2 results, page 1 of 1)

  • × author_ss:"Fan, W."
  • × language_ss:"e"
  • × theme_ss:"Suchmaschinen"
  1. Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 3455) [ClassicSimilarity], result of:
          0.003145897 = score(doc=3455,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 3455, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=3455)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.6, S.571-583
  2. Radev, D.R.; Libner, K.; Fan, W.: Getting answers to natural language questions on the Web (2002) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 5204) [ClassicSimilarity], result of:
          0.002621581 = score(doc=5204,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 5204, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5204)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.5, S.359-364